Mo. Rev. Stat. § 525.180: Answer of garnishee excepted to, adjudged insufficient — proceedings.

The plaintiff may except to the answer of the garnishee for insufficiency, and if the same shall be adjudged insufficient, the court may allow the garnishee to amend his answer in such time and on such terms as shall be just, or the plaintiff may take judgment by default, or move the court to attach the body of the garnishee, to compel a sufficient answer.